In a magnetic circuit, the property by which the flux generated in the core of the circuit is resisted or opposed is called Select one: O a. Flux density O b. Reluctivity c. Permittivity O d. None of these
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A: Given parameters are: Mean Length of the core, l=26cm=26×10-2mCross-sectional Area,…
Q: For the series-parallel magnetic circuit shown in Figure 1, draw the equivalent magnetic circuit and…
A: The given circuit is shown below: ϕg=2×10-4 Wb
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Q: For the series magnetic circuit: • Find the value of I required to develop a magnetic flux of 4 x…
A: In this question we need to find a current to develop a magnetic flux of 0.4 mWb
Q: -Mean path length e V N turns Cross-sectional area A
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Q: 3. The magnetic circuit shown above has an iron core dimensions A=25 cm² , gap g=2 mm , l,=80 cm .…
A: Given values are –
Q: A magnetic circuit has an average length of 1.4 m and a cross-sectional area of 0.25 m2. Excitation…
A: The flux density is evaluated as:
Q: Q1/(a) Discuss B-H curve of a ferro-magnetic material.
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Q: Determine the flux density in the core of the magnetic circuit below, 4 A N = 500 II 4 A N2 = 50 %3|…
A: First draw the magnetic equivalent circuit and than find total reluctance of core and flux and than…
Q: A magnetic circuit consists of silicon steel of 3000 permeability and an air gap. The length of the…
A: MMF = (MMF)core + (MMF)air = B/HoHr(lg)core + B/Ho(lg)air = Փ/HoA [(lg)core/Hr +…
Q: A 1. The magnetic circuit shown above has an iron core dimensions A¸=16cm² , gap g=2 mm,1,=80 cm…
A: Fig: Given magnetic circuit AC=16 cm2g=lair gap=2 mm lc=80 cmN=…
Q: The applied MMF to a simple magnetic circuit is 350AT. It was found that the resulting magnetic…
A: Flux in core = flux density × area of core. But flux = mmf / reluctance. Substitute given values to…
Q: a. Find the reluctance of a magnetic circuit if amagnetic flux φ = 4.2 × 10−4 Wb is established byan…
A: Given Hence the reluctance of the magnetic circuit is given by, Find the magnetizing force H,
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A: We have to tell the correct option.
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A: a) Coenergy is a energy which to use for theoretical analysis of energy storing and energy…
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Q: Consider the magnetic circuit in Figure. Assuming that the core u= 1000uo has a uniform cross…
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Q: EXAMPLE : For the series magnetic circuit of Figure a) Find the value of I required to develop a…
A: as you know by the formula, F (mmf) =ϕ(flux)×R(reluctance)R =LμAand F =Niso,Ni =ϕ×LμA----(1)μ =μ0μr…
Q: The saturation curve of a particular core material shows that at a magnetic field intensity of 1250…
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Q: 1- For the series magnetic circuit of Figure below 4-2x 10- m2 N- 400 turns -Cast-steel core 1- 0.16…
A: The solution can be achieved as follows.
Q: (a) Find the flux linkage (2)-current (1) relationship för the winding in terms of x, u a. N and the…
A: Given: Rlc= Reluctance of core; μ∂→∞ Rlc=lcμARlc=lcμ0μ∂ARlc=0
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Q: A coil has 200 At with a flux of 25 µWb in the iron (a) Calculate the reluctance. If the reluctance…
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Q: For the magnetic circuit N = 400 turns. Mean core length l = 50 cm. Cross-sectional area A = 15 cm?…
A: Given: N=400 turnslc=50 cmAc=15 cm2μr=3000i=1 A
Q: A uniform flux density of 1 T is perpendicular to the plane of a five-turn circular coil of radius…
A: Given data, The value of uniform flux density is B = 1 T. The value of radius is R = 10 cm = 0.1 m.…
Q: 1- For the series magnetic circuit of Figure below A = 2 x 10-3 m² N = 400 turns Cast-steel core 1 =…
A: As per the guidelines, we supposed to answer one question at a time. so please ask other questions…
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Q: A cast steel electromagnet has an air gap of length 2 mm and an iron path of length 30 cm. Find the…
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Q: QUESTION 3 4 In a ferromagnetic material, the relation between flux and flux density is O linear O…
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Q: 4. Using one of the equations in Ampere's Law which is B=(2TTT), prove that at any point inside the…
A: Using one of the equations in Ampere's Law which is B-(2mr), prove that at any point inside the…
Q: A magnetic circuit in the following figure is made of silicon steel, for which the B-H relationship…
A: The number of the turns on the outer legs are given as: N1=N2=500 turns Evaluating the area of the…
Q: Q1/A/ Discuss B-H curve of a ferro-magnetic material .
A: Permeability, µ = B/H, the ratio of the flux density to the magnetic field intensity. It is often…
Q: 1. What is the flux density in a magnetic field of cross-sectional area 20 cm2 having a flux of 3…
A: What is the flux density in a magnetic field of cross-sectional area 20 ^2 cm having a flux of 3…
Q: A coil of 1000 turns is uniformly wound on a ring type non-magnetic material. The mean diameter and…
A: It is given that: N=1000I=2 Al=20 cmA=4 cm2
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A: Given :- The working principle of ___ is based on the current-carrying…
Q: The unit of magnetic flux density B is; A a) Tesla per sq. m. (в) ь) Тesla C c) Weber d) Weber per…
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Q: Q1. Figure 1 shows the magnetic circuit with cross section area of core, 1000 mm? and current…
A: *Keeping a note ?as per our company guidelines we are supposed to answer ?️only first 3️⃣ sub-parts.…
Q: Start from first principles to prove that: "For a fixed flux density, the volume of the…
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A: magnetic saturation condition occurs when the applied magnetic field cannot further increase the…
Q: Question 4 (a) A magnetic circuit shown in Figure Q4.a. The mild steel core has a mean length of 50…
A: The given magnetic circuit is shown below. Relative permeability is μr=2500 AT/m at flux density of…
Q: 38. The line integral of the magnetic field intensity is given by: a. Flux density b. MMF c. Current…
A: Dear student we can solve one question at a time please post question number 39 again
Q: a) Find the value of I required to develop a magnetic flux of -4x 10 Wb, H(Cast steel) = 170 At/m b)…
A: Given Data: N = 400 A = 2 * 10-2 m2 L = 0.16 m
Q: (c) The simple magnetic circuit shown in fig 6. has a cross-sectional area of 50cm? and mean length…
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Q: A conductor carries a current of 70 A at right- angles to a magnetic field having a flux density of…
A: Given values are - CurrentI=70AFlux densityB=1.5TLengthL=200mm=0.2m
Q: (b) / Discuss B-H curve of a ferro-magnetic material
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- Given a magnetic circuit with a current 2.6A flowing through 205 turns of wire on a core having a reluctance of 125000 At/Wb. Determine the magnetomotive force of the circuit in base units.The eddy current loss in a particular magnetic circuit is 10W/m3. If the frequency of operation is reduced from 50 Hz to 30 Hz with the flux density remaining unchanged, determine the new value of eddy current loss per cubic metre.A square magnetic core has a mean length of 43 cm and a cross-sectional area of120cm2. A coil of 200 turns of wire is wound around one of the columns of the core, thewhich is made of a material whose required magnetic field strength is H=115 Aturns/m. a) How much current is required to produce a flux of 0.012 Wb, in the core?b) What is the relative permeability of the core for that current?c) What is the reluctance?
- A bar of iron is said to be saturated once most of its magnetic molecules are aligned, whereby, increases in magnetomotive force results in smaller and smaller increases in flux in the core. a) true b) false A bar of iron is said to be saturated when it is magnetized to its practical maximum state. a) true b) true The magnetism which remains in a core once the external magnetomotive force has been removed is called a) saturation b) residual c) permeability d) none of the aboveThe applied MMF to a simple magnetic circuit is 350AT. It was found that the resulting magnetic field denstiy is 0.7 Wb/m². The average length of this magnetic circuit is 1.64ft and its cross sectional area is 4cm². What is the reluctance (in AT/Wb) of the magnetic material of the core?A magnetic ring has a mean circumstance of 20 cm and a cross section of 20 cm2 and has 800 numbers of turns of wire. When the exciting current is 5 A, the flux is 2 mWb. The relative permeability of iron is nearly ?
- Quantity that is not affected by magnetic field is? a)Stationary charge b)None of the choices c)Moving charge d)Current flowing in conductora. Find the current I required to establish a fluxφ = 2.4 × 10−4 Wb in the magnetic circuit ofFigure. Here area (throughout) =2 × 10−4 m2, lab = lef = 0.05 m, laf = lbe= 0.02 m, lbc = ldc, and the material is sheet steel. b. Compare the mmf drop across the air gap to thatacross the rest of the magnetic circuit. Discuss yourresults, using the value of μ for each material.A current of I=2 Amperes flows in the +z direction from the thin conductor wire extending along the z axis shown in the figure. Which of the following options is the magnetic flux passing through the area surrounded by the frame from the wire placed to the right of this wire and the common inductance values between these two wires?
- A magnetic circuit consists of silicon steel of 3000 permeability and an air gap.The length of the steel core is 10cm and the air gap is 2cm. Both have the samecross section of 1.5 sq. cm. A current of 1⁄2 ampere flows through the windings toproduce 2351 maxwells flux. How many turns are there in the coil? ans: 5000 turnsFor the electromagnet of Figure-a. Find the flux density in the core.b. Sketch the magnetic flux lines and indicate theirdirection.c. Indicate the north and south poles of the magnet.a. If the material is the ideal material, N1I1 = 200, NIA = 100 and NIB = 150 If I am ampersand, what is the flux density in the middle of the air gap? okay? Calculate by drawing the magnetic circuit. b. If the material is not the ideal material (µr), the core material of each winding Find the inductance in terms of parameters c. What is mutual inductance between windings? D. Check the magnetic equivalent circuit of this system that there are no leakage fluxes. draw assuming. New magnetic with leakage fluxes in mind How about a circuit, draw?